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diff --git a/APEX_1.4/module/fieldsampler/include/FieldSamplerCommon.h b/APEX_1.4/module/fieldsampler/include/FieldSamplerCommon.h
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-/*
- * Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved.
- *
- * NVIDIA CORPORATION and its licensors retain all intellectual property
- * and proprietary rights in and to this software, related documentation
- * and any modifications thereto. Any use, reproduction, disclosure or
- * distribution of this software and related documentation without an express
- * license agreement from NVIDIA CORPORATION is strictly prohibited.
- */
-
-
-#ifndef __FIELD_SAMPLER_COMMON_H__
-#define __FIELD_SAMPLER_COMMON_H__
-
-#include "PxVec3.h"
-#include "PxVec4.h"
-#include <PxMat44.h>
-
-#include <FieldSamplerIntl.h>
-#include <FieldBoundaryIntl.h>
-
-#include "PsArray.h"
-
-#if APEX_CUDA_SUPPORT
-#pragma warning(push)
-#pragma warning(disable:4201)
-#pragma warning(disable:4408)
-
-#include <vector_types.h>
-
-#pragma warning(pop)
-#endif
-
-#define FIELD_SAMPLER_MULTIPLIER_VALUE 1
-#define FIELD_SAMPLER_MULTIPLIER_WEIGHT 2
-//0, FIELD_SAMPLER_MULTIPLIER_VALUE or FIELD_SAMPLER_MULTIPLIER_WEIGHT
-#define FIELD_SAMPLER_MULTIPLIER FIELD_SAMPLER_MULTIPLIER_WEIGHT
-
-namespace nvidia
-{
-namespace apex
-{
- class ApexCudaArray;
-}
-
-namespace fieldsampler
-{
-
-#define VELOCITY_WEIGHT_THRESHOLD 0.00001f
-
-struct FieldSamplerExecuteArgs
-{
- physx::PxVec3 position;
- float mass;
- physx::PxVec3 velocity;
-
- float elapsedTime;
- uint32_t totalElapsedMS;
-};
-
-//struct FieldShapeParams
-#define INPLACE_TYPE_STRUCT_NAME FieldShapeParams
-#define INPLACE_TYPE_STRUCT_BASE FieldShapeDescIntl
-#define INPLACE_TYPE_STRUCT_FIELDS \
- INPLACE_TYPE_FIELD(float, fade)
-#include INPLACE_TYPE_BUILD()
-
-
-//struct FieldShapeGroupParams
-#define INPLACE_TYPE_STRUCT_NAME FieldShapeGroupParams
-#define INPLACE_TYPE_STRUCT_FIELDS \
- INPLACE_TYPE_FIELD(InplaceArray<FieldShapeParams>, shapeArray)
-#include INPLACE_TYPE_BUILD()
-
-
-//struct FieldSamplerParams
-#define INPLACE_TYPE_STRUCT_NAME FieldSamplerParams
-#define INPLACE_TYPE_STRUCT_FIELDS \
- INPLACE_TYPE_FIELD(uint32_t, executeType) \
- INPLACE_TYPE_FIELD(InplaceHandleBase, executeParamsHandle) \
- INPLACE_TYPE_FIELD(InplaceEnum<FieldSamplerTypeIntl::Enum>, type) \
- INPLACE_TYPE_FIELD(InplaceEnum<FieldSamplerGridSupportTypeIntl::Enum>, gridSupportType) \
- INPLACE_TYPE_FIELD(float, dragCoeff) \
- INPLACE_TYPE_FIELD(FieldShapeParams, includeShape) \
- INPLACE_TYPE_FIELD(InplaceArray<InplaceHandle<FieldShapeGroupParams> >, excludeShapeGroupHandleArray)
-#include INPLACE_TYPE_BUILD()
-
-
-//struct FieldSamplerQueryParams
-#define INPLACE_TYPE_STRUCT_NAME FieldSamplerQueryParams
-#include INPLACE_TYPE_BUILD()
-
-
-//struct FieldSamplerParams
-#define INPLACE_TYPE_STRUCT_NAME FieldSamplerParamsEx
-#define INPLACE_TYPE_STRUCT_FIELDS \
- INPLACE_TYPE_FIELD(InplaceHandle<FieldSamplerParams>, paramsHandle) \
- INPLACE_TYPE_FIELD(float, multiplier)
-#include INPLACE_TYPE_BUILD()
-
-typedef InplaceArray< FieldSamplerParamsEx, false > FieldSamplerParamsExArray;
-
-
-#if APEX_CUDA_SUPPORT || defined(__CUDACC__)
-
-struct FieldSamplerKernelType
-{
- enum Enum
- {
- POINTS,
- GRID
- };
-};
-
-struct FieldSamplerKernelParams
-{
- float elapsedTime;
- physx::PxVec3 cellSize;
- uint32_t totalElapsedMS;
-};
-
-struct FieldSamplerGridKernelParams
-{
- uint32_t numX, numY, numZ;
-
- PxMat44 gridToWorld;
-
- float mass;
-};
-
-
-struct FieldSamplerKernelArgs : FieldSamplerKernelParams
-{
-};
-
-struct FieldSamplerPointsKernelArgs : FieldSamplerKernelArgs
-{
- float4* accumField;
- float4* accumVelocity;
- const float4* positionMass;
- const float4* velocity;
-};
-
-struct FieldSamplerGridKernelArgs : FieldSamplerKernelArgs, FieldSamplerGridKernelParams
-{
-};
-
-struct FieldSamplerKernelMode
-{
- enum Enum
- {
- DEFAULT = 0,
- FINISH_PRIMARY = 1,
- FINISH_SECONDARY = 2
- };
-};
-
-#endif
-
-class FieldSamplerWrapper;
-
-struct FieldSamplerInfo
-{
- FieldSamplerWrapper* mFieldSamplerWrapper;
- float mMultiplier;
-};
-
-#if APEX_CUDA_SUPPORT
-
-struct FieldSamplerKernelLaunchDataIntl
-{
- CUstream stream;
- FieldSamplerKernelType::Enum kernelType;
- const FieldSamplerKernelArgs* kernelArgs;
- InplaceHandle<FieldSamplerQueryParams> queryParamsHandle;
- InplaceHandle<FieldSamplerParamsExArray> paramsExArrayHandle;
- const nvidia::Array<FieldSamplerInfo>* fieldSamplerArray;
- uint32_t activeFieldSamplerCount;
- FieldSamplerKernelMode::Enum kernelMode;
-};
-
-struct FieldSamplerPointsKernelLaunchDataIntl : FieldSamplerKernelLaunchDataIntl
-{
- uint32_t threadCount;
- uint32_t memRefSize;
-};
-
-struct FieldSamplerGridKernelLaunchDataIntl : FieldSamplerKernelLaunchDataIntl
-{
- uint32_t threadCountX;
- uint32_t threadCountY;
- uint32_t threadCountZ;
- ApexCudaArray* accumArray;
-};
-
-#endif
-
-APEX_CUDA_CALLABLE PX_INLINE float evalFade(float dist, float fade)
-{
- float x = (1 - dist) / (fade + 1e-5f);
- return physx::PxClamp<float>(x, 0, 1);
-}
-
-APEX_CUDA_CALLABLE PX_INLINE float evalFadeAntialiasing(float dist, float fade, float cellRadius)
-{
- const float f = fade;
- const float r = cellRadius;
- const float x = dist - 1.0f;
-
- float res = 0.0f;
- //linear part
- //if (x - r < -f)
- {
- const float a = PxMin(x - r, -f);
- const float b = PxMin(x + r, -f);
-
- res += (b - a);
- }
- //quadratic part
- if (f >= 1e-5f)
- {
- //if (x - r < 0.0f && x + r > -f)
- {
- const float a = physx::PxClamp(x - r, -f, 0.0f);
- const float b = physx::PxClamp(x + r, -f, 0.0f);
-
- res += (a*a - b*b) / (2 * f);
- }
- }
- return res / (2 * r);
-}
-
-
-APEX_CUDA_CALLABLE PX_INLINE float evalDistInShapeNONE(const FieldShapeDescIntl& /*shapeParams*/, const physx::PxVec3& /*worldPos*/)
-{
- return 0.0f; //always inside
-}
-
-APEX_CUDA_CALLABLE PX_INLINE float evalDistInShapeSPHERE(const FieldShapeDescIntl& shapeParams, const physx::PxVec3& worldPos)
-{
- const physx::PxVec3 shapePos = shapeParams.worldToShape.transform(worldPos);
- const float radius = shapeParams.dimensions.x;
- return shapePos.magnitude() / radius;
-}
-
-APEX_CUDA_CALLABLE PX_INLINE float evalDistInShapeBOX(const FieldShapeDescIntl& shapeParams, const physx::PxVec3& worldPos)
-{
- const physx::PxVec3 shapePos = shapeParams.worldToShape.transform(worldPos);
- const physx::PxVec3& halfSize = shapeParams.dimensions;
- physx::PxVec3 unitPos(shapePos.x / halfSize.x, shapePos.y / halfSize.y, shapePos.z / halfSize.z);
- return physx::PxVec3(physx::PxAbs(unitPos.x), physx::PxAbs(unitPos.y), physx::PxAbs(unitPos.z)).maxElement();
-}
-
-APEX_CUDA_CALLABLE PX_INLINE float evalDistInShapeCAPSULE(const FieldShapeDescIntl& shapeParams, const physx::PxVec3& worldPos)
-{
- const physx::PxVec3 shapePos = shapeParams.worldToShape.transform(worldPos);
- const float radius = shapeParams.dimensions.x;
- const float halfHeight = shapeParams.dimensions.y * 0.5f;
-
- physx::PxVec3 clampPos = shapePos;
- clampPos.y -= physx::PxClamp(shapePos.y, -halfHeight, +halfHeight);
-
- return clampPos.magnitude() / radius;
-}
-
-APEX_CUDA_CALLABLE PX_INLINE float evalDistInShape(const FieldShapeDescIntl& shapeParams, const physx::PxVec3& worldPos)
-{
- switch (shapeParams.type)
- {
- case FieldShapeTypeIntl::NONE:
- return evalDistInShapeNONE(shapeParams, worldPos);
- case FieldShapeTypeIntl::SPHERE:
- return evalDistInShapeSPHERE(shapeParams, worldPos);
- case FieldShapeTypeIntl::BOX:
- return evalDistInShapeBOX(shapeParams, worldPos);
- case FieldShapeTypeIntl::CAPSULE:
- return evalDistInShapeCAPSULE(shapeParams, worldPos);
- default:
- return 1.0f; //always outside
- };
-}
-
-APEX_CUDA_CALLABLE PX_INLINE physx::PxVec3 scaleToShape(const FieldShapeDescIntl& shapeParams, const physx::PxVec3& worldVec)
-{
- switch (shapeParams.type)
- {
- case FieldShapeTypeIntl::SPHERE:
- case FieldShapeTypeIntl::CAPSULE:
- {
- const float radius = shapeParams.dimensions.x;
- return physx::PxVec3(worldVec.x / radius, worldVec.y / radius, worldVec.z / radius);
- }
- case FieldShapeTypeIntl::BOX:
- {
- const physx::PxVec3& halfSize = shapeParams.dimensions;
- return physx::PxVec3(worldVec.x / halfSize.x, worldVec.y / halfSize.y, worldVec.z / halfSize.z);
- }
- default:
- return worldVec;
- };
-}
-
-
-APEX_CUDA_CALLABLE PX_INLINE float evalWeightInShape(const FieldShapeParams& shapeParams, const physx::PxVec3& position)
-{
- float dist = nvidia::fieldsampler::evalDistInShape(shapeParams, position);
- return nvidia::fieldsampler::evalFade(dist, shapeParams.fade) * shapeParams.weight;
-}
-
-APEX_CUDA_CALLABLE PX_INLINE void accumFORCE(const FieldSamplerExecuteArgs& args,
- const physx::PxVec3& field, float fieldW,
- physx::PxVec4& accumAccel, physx::PxVec4& accumVelocity)
-{
- PX_UNUSED(accumVelocity);
-
- physx::PxVec3 newAccel = ((1 - accumAccel.w) * fieldW * args.elapsedTime / args.mass) * field;
- accumAccel.x += newAccel.x;
- accumAccel.y += newAccel.y;
- accumAccel.z += newAccel.z;
-}
-
-APEX_CUDA_CALLABLE PX_INLINE void accumACCELERATION(const FieldSamplerExecuteArgs& args,
- const physx::PxVec3& field, float fieldW,
- physx::PxVec4& accumAccel, physx::PxVec4& accumVelocity)
-{
- PX_UNUSED(accumVelocity);
-
- physx::PxVec3 newAccel = ((1 - accumAccel.w) * fieldW * args.elapsedTime) * field;
- accumAccel.x += newAccel.x;
- accumAccel.y += newAccel.y;
- accumAccel.z += newAccel.z;
-}
-
-APEX_CUDA_CALLABLE PX_INLINE void accumVELOCITY_DIRECT(const FieldSamplerExecuteArgs& args,
- const physx::PxVec3& field, float fieldW,
- physx::PxVec4& accumAccel, physx::PxVec4& accumVelocity)
-{
- PX_UNUSED(args);
-
- physx::PxVec3 newVelocity = ((1 - accumAccel.w) * fieldW) * field;
- accumVelocity.x += newVelocity.x;
- accumVelocity.y += newVelocity.y;
- accumVelocity.z += newVelocity.z;
- accumVelocity.w = PxMax(accumVelocity.w, fieldW);
-}
-
-APEX_CUDA_CALLABLE PX_INLINE void accumVELOCITY_DRAG(const FieldSamplerExecuteArgs& args, float dragCoeff,
- const physx::PxVec3& field, float fieldW,
- physx::PxVec4& accumAccel, physx::PxVec4& accumVelocity)
-{
-#if 1
- const float dragFieldW = PxMin(fieldW * dragCoeff * args.elapsedTime / args.mass, 1.0f);
- accumVELOCITY_DIRECT(args, field, dragFieldW, accumAccel, accumVelocity);
-#else
- const physx::PxVec3 dragForce = (field - args.velocity) * dragCoeff;
- accumFORCE(args, dragForce, fieldW, accumAccel, accumVelocity);
-#endif
-}
-
-
-} // namespace apex
-}
-#ifdef __CUDACC__
-
-template <int queryType>
-struct FieldSamplerExecutor;
-/*
-{
- INPLACE_TEMPL_ARGS_DEF
- static inline __device__ physx::PxVec3 func(const nvidia::fieldsampler::FieldSamplerParams* params, const nvidia::fieldsampler::FieldSamplerExecuteArgs& args, float& fieldWeight);
-};
-*/
-
-template <int queryType>
-struct FieldSamplerIncludeWeightEvaluator
-{
- INPLACE_TEMPL_ARGS_DEF
- static inline __device__ float func(const nvidia::fieldsampler::FieldSamplerParams* params, const physx::PxVec3& position, const physx::PxVec3& cellSize)
- {
- return nvidia::fieldsampler::evalWeightInShape(params->includeShape, position);
- }
-};
-
-#endif
-
-#endif
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